Free SAT Practice Question

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ID: SAT-MATH-GT-041
Section: SAT Math - Geometry & Trigonometry (G&T)
Topic: Lines, angles, and triangles
Difficulty level: Medium

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In isosceles triangle \(ABC\), sides \(AB\) and \(AC\) have equal length, so angles \(B\) and \(C\) are congruent. The measure of angle \(A\) is \((4x)^{\circ}\) and the measure of each of angles \(B\) and \(C\) is \((x+30)^{\circ}\). What is the measure, in degrees, of angle \(B\)?

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